<template>
  <!-- 头部 -->
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>
          <!--没有用户名显示未登录-->
          <p v-if="!userName">
            <span>请</span>
            <!--声明式导航务必要有to属性-->>
            <router-link to="/login">登录</router-link>
            <router-link class="register" to="/register">注册</router-link>
          </p>
           <!--登录显示用户-->
          <p v-else>
            <a>{{userName}}</a>
            <a class="register" @click="logout">退出登录</a>
          </p>
        </div>
        <div class="typeList">
          <router-link to="/center/myorder">我的订单</router-link>
          <a href="###">我的购物车</a>
          <a href="###">我的尚品汇</a>
          <a href="###">尚品汇会员</a>
          <a href="###">企业采购</a>
          <a href="###">关注尚品汇</a>
          <a href="###">合作招商</a>
          <a href="###">商家后台</a>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <router-link class="logo" to="/home">
          <img src="./images/logo.png" alt="" />
        </router-link>
      </h1>
      <div class="searchArea">
        <form action="###" class="searchForm">
          <input
            type="text"
            id="autocomplete"
            class="input-error input-xxlarge"
            v-model="keyword"
          />
          <button
            class="sui-btn btn-xlarge btn-danger"
            type="button"
            @click="goSearch"
          >
            搜索
          </button>
        </form>
      </div>
    </div>
  </header>
</template>

<script>
export default {
  name: "",
  data() {
    return {
      keyword: "",
    };
  },
  methods: {
    goSearch() {
      // 使用路由对象来构建正确的路由
      //   this.$router.push({
      //     path: '/search/' + this.keyword, // 注意这里需要加上斜杠
      // });
      //如果有query参数，也带过去
      if (this.$route.query) {
        let location = {name: "search", params: { keyword: this.keyword || undefined}};
          location.query= this.$route.query;
          this.$router.push(location);
        }
      },
     async logout() {
      try {
        await this.$store.dispatch("userLogout");
        
        this.$router.push("/home");
      } catch (error) {
        alert(error.message);
      }
    },
  },
    mounted(){
     
      //通过全局事件总线删除关键字
      this.$bus.$on('clear',()=>{
        this.keyword=''
      })
    },
    computed: {
      userName() {
        return this.$store.state.user.userInfo.name; 
      }
    },

  }
  
</script>
<style scoped lang="less">
.header {
  & > .top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;

    .container {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .loginList {
        float: left;

        p {
          float: left;
          margin-right: 10px;

          .register {
            border-left: 1px solid #b3aeae;
            padding: 0 5px;
            margin-left: 5px;
          }
        }
      }

      .typeList {
        float: right;

        a {
          padding: 0 10px;

          & + a {
            border-left: 1px solid #b3aeae;
          }
        }
      }
    }
  }

  & > .bottom {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

    .logoArea {
      float: left;

      .logo {
        img {
          width: 175px;
          margin: 25px 45px;
        }
      }
    }

    .searchArea {
      float: right;
      margin-top: 35px;

      .searchForm {
        overflow: hidden;

        input {
          box-sizing: border-box;
          width: 490px;
          height: 32px;
          padding: 0px 4px;
          border: 2px solid #ea4a36;
          float: left;

          &:focus {
            outline: none;
          }
        }

        button {
          height: 32px;
          width: 68px;
          background-color: #ea4a36;
          border: none;
          color: #fff;
          float: left;
          cursor: pointer;

          &:focus {
            outline: none;
          }
        }
      }
    }
  }
}
</style>